BuildingCensus
C

305 Congress St

Office in Boston, MA · 2210.

ENERGY STAR score
69
band C · 2024
Site EUI
57.5
kBtu/ft²
GHG emissions
274
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
84,589
sq ft
Year built
—
vintage

BERDO 2.0 · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score69 (band C)
Site EUI57.5 kBtu/ft²
Source EUI—
GHG emissions274 tCO₂e
GHG intensity—
Electricity1,128,102 kWh
Natural gas10,180 therms
Gross floor area84,589 sq ft
Source recordboston:102489:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest69+657.5 kBtu/ft²274 tCO₂e
20236379.1 kBtu/ft²379 tCO₂e
2022———

Compliance context

BERDO 2.0

BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.

Program details →

Ownership

CONGRESS VENTURES LLC MASS LLC

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Location

Address
305 Congress St
City
Boston
State
Massachusetts
ZIP
2210.

Within ~1 km

Nearby benchmarked buildings

This source publishes no coordinates, so nearby buildings can't be resolved yet.

See also: most efficient in Boston · biggest emitters

Frequently asked questions

What is 305 Congress St's energy grade?

305 Congress St scores 69 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Boston disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 305 Congress St use?

Its 2024 site energy-use intensity was 57.5 kBtu/ft² across 84,589 sq ft, including 1,128,102 kWh of electricity and 10,180 therms of natural gas.

What are 305 Congress St's carbon emissions?

305 Congress St reported 274 tCO₂e of greenhouse-gas emissions for 2024. BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.

Working with Boston building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

Dataset updated . Source: Building Emissions Reduction and Disclosure Ordinance disclosure, record boston:102489:2024.